20796850910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1627}}^1\times {\mathrm{4007}}^1$

素因数の和:5681

約数の個数: 64

約数和(自身を含む): 42282155520

約数和(自身を除く): 21485304610

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 1627, 3190, 3254, 4007, 8014, 8135, 16270, 17897, 20035, 35794, 40070, 44077, 47183, 88154, 89485, 94366, 116203, 178970, 220385, 232406, 235915, 440770, 471830, 519013, 581015, 1038026, 1162030, 1278233, 2556466, 2595065, 5190130, 6391165, 6519389, 12782330, 13038778, 32596945, 65193890, 71713279, 143426558, 189062281, 358566395, 378124562, 717132790, 945311405, 1890622810, 2079685091, 4159370182, 10398425455, 20796850910]

約数ペア:

[(1, 20796850910), (2, 10398425455), (5, 4159370182), (10, 2079685091), (11, 1890622810), (22, 945311405), (29, 717132790), (55, 378124562), (58, 358566395), (110, 189062281), (145, 143426558), (290, 71713279), (319, 65193890), (638, 32596945), (1595, 13038778), (1627, 12782330), (3190, 6519389), (3254, 6391165), (4007, 5190130), (8014, 2595065), (8135, 2556466), (16270, 1278233), (17897, 1162030), (20035, 1038026), (35794, 581015), (40070, 519013), (44077, 471830), (47183, 440770), (88154, 235915), (89485, 232406), (94366, 220385), (116203, 178970)]